September weather forecastCourmelles, France

September weather for Courmelles, France: September, the first month of the autumn in Courmelles, is still a pleasant month, with an average temperature ranging between max 20.3°C (68.5°F) and min 10.9°C (51.6°F). In Courmelles, during September, the rain falls for 13 days and regularly aggregates up to 28mm (1.1") of precipitation.

September

Weather in September

September, the first month of the autumn in Courmelles, is still a pleasant month, with an average temperature ranging between max 20.3°C (68.5°F) and min 10.9°C (51.6°F).

Temperature

The onset of September entails a subtle temperature shift, as the average high-temperature eases from a moderately hot 23.8°C (74.8°F) in August to an agreeable 20.3°C (68.5°F). Throughout September, Courmelles records an average temperature of 10.9°C (51.6°F) at night.

Humidity

The average relative humidity in September in Courmelles, France, is 76%.

Rainfall

The month with the least rainfall is September, when the rain falls for 13 days and typically collects 28mm (1.1") of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

In Courmelles, France, the average length of the day in September is 12h and 36min.
On the first day of the month, sunrise is at 07:03 and sunset at 20:29. On the last day of September, sunrise is at 07:45 and sunset at 19:27 CEST.

Sunshine

In September, the average sunshine is 7.6h.

UV index

In Courmelles, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, the UV index of 4 transforms into the following advice:
Guard yourself - An obligation to protect skin and eyes from harm exists. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.

Frequently asked questions

The high-temperature, in September, in Courmelles, records 20.3°C (68.5°F), while the low-temperature is 10.9°C (51.6°F).

The average relative humidity in September is 76%.

The month with the least rainfall is September, when the rain falls for 13 days and typically collects 28mm (1.1") of precipitation.

In Courmelles, during September, the rain falls for 13 days and regularly aggregates up to 28mm (1.1") of precipitation.

In Courmelles, snow does not fall in April through October.

In Courmelles, the average day length in September is 12h and 36min.

In September, on the first day of the month, sunrise is at 07:03 and sunset at 20:29. On the last day of the month, in Courmelles, France, sunrise is at 07:45 and sunset at 19:27 CEST.

In Courmelles, the average sunshine duration in September is 7.6h.

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Courmelles, France

  • Average high temperature in September: 20.3°C

The warmest month (with the highest average high temperature) is August (23.8°C).
The month with the lowest average high temperature is January (5.8°C).

  • Average low temperature in September: 10.9°C

The month with the highest average low temperature is August (13.6°C).
The coldest month (with the lowest average low temperature) is January (1.2°C).

Average pressure in September
Courmelles, France

  • Average pressure in September: 1017.9mbar

The month with the highest atmospheric pressure is September (1017.9mbar).
The month with the lowest atmospheric pressure is November (1013.1mbar).

Average wind speed in September
Courmelles, France

  • Average wind speed in September: 10.7km/h

The windiest month (with the highest average wind speed) is February (16.2km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).

Average humidity in September
Courmelles, France

  • Average humidity in September: 76%

The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (74%).

Average rainfall in September
Courmelles, France

  • Average rainfall in September: 28mm

The wettest month (with the highest rainfall) is December (65mm).
The driest month (with the least rainfall) is September (28mm).

Average rainfall days in September
Courmelles, France

  • Average rainfall days in September: 13 days

The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is September (13 days).

Average snowfall in September
Courmelles, France

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (38mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Courmelles, France

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Courmelles, France

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).

  • Average sunshine in September: 7h and 36min

The month with the most sunshine is August (Average sunshine: 9h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in September
Courmelles, France

  • Average sunshine days in September: 13.6 days

The month with the most sunshine days is September (13.6 days).
The month with the least sunshine days is June (8.1 days).

Average UV index in September
Courmelles, France

  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Courmelles, France

  • Average cloud cover in September: 39

The month with the most cloud cover is January (Cloud cover 62).
The months with the least cloud cover are August and September (Cloud cover 39).

Average visibility in September
Courmelles, France

  • Average visibility in September: 9km

The months with the highest visibility are February, March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, November and December (8km).